Pregunta
How much energy will a 90 W lamp dissipate in 5 hours?
Answer:
Answer:
Ask by Henry Rowe. in the United States
Mar 23,2025
Solución de inteligencia artificial de Upstudy
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The lamp will dissipate 1,620,000 joules of energy in 5 hours.
Solución
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First, convert the time from hours to seconds:
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Use the formula for energy:where
W and s. -
Substitute the values:
The lamp will dissipate
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Simplifique esta solución Beyond the Answer
To calculate the energy dissipated by a 90 W lamp in 5 hours, we can use the formula: Energy (in watt-hours) = Power (in watts) × Time (in hours). So, Energy = 90 W × 5 hours = 450 watt-hours or 0.45 kilowatt-hours. This means the lamp will use enough energy to power a small appliance for a short time!
Understanding energy consumption is not just important for saving on electricity bills but is also a step towards being more environmentally friendly. By knowing how much energy devices use, you can make informed decisions about which appliances to upgrade to energy-efficient models, helping reduce overall carbon emissions.
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